Things You'll Need
Instructions
Create a succubus following a different process from making a regular character. A succubus has an effective character level adjustment of +12 because of its 6 racial hit die and level adjustment of +6. So you would need to join a party of 13 levels or higher.
Calculate the scores adjustment of the succubus. Take off 10 or 11 from the succubus stats to determine how much has been added to get an even number. So in that case, the succubus has the following scores adjustment: Str+2 Dex+2 Con+2 Int+6 Wis+4 Cha+16. As you can see the significant boost in every stats make a succubus for nearly any kind of classes but most likely charisma-based classes such as Bard and Sorcerer would be ideal for a succubus. Roll normally for stats and assign the racial adjustment to your character.
Write down all the special qualities, natural attacks and natural armor listed on the monster entry on your character sheet. Your outsider hit dice confers you some bonuses look at the back of the monster manual for more details. Your racial hit dice grants you bonuses similar to a class, base attack bonuses, skill points, hit points. Your class skills are the ones appearing on the succubus entry in the monster manual.
Level up your succubus to match your party. If the party average level is 15, for example, add three class levels to match the level of the party. Consult your dungeonmaster to see the accessible classes in the campaign.